[ale] Determining a scripts language?

[eff at dragoncon.org (Scott M. Jones)]

Great answers in Stack Overflow, including a bash-only solution.

http://stackoverflow.com/questions/15060384/one-liner-in-bash-using-perl-or-awk-to-change-extension-of-multiple-files

On 4/6/16 5:52 PM, leam hall wrote:
> I'm trying to do something simple, change the ending of a script to
> ".txt". So if it's my_script.sh it becomes my_script.txt. Likewise for
> my_script.rb, etc. The .txt version will have the documentation and
> comments.
> 
> So far all I've some up with is:
> 
>   IS_SH=`echo ${SCRIPTNAME} | grep -c sh$`
> 
> For each expected script ending. Which seems a really ugly thing to do.
> Is there a better way in Bourne shell to do this?
> 
> Leam